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Microsoft Windows up to Server 2019 DNS Server SigRed privilege escalation

A vulnerability was found in Microsoft Windows (Operating System). It has been classified as very critical. This affects an unknown code of the component DNS Server. Applying a patch is able to eliminate this problem. It is possible to mitigate the problem by applying the configuration setting reg add “HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesDNSParameters” /v “TcpReceivePacketSize” /t REG_DWORD /d 0xFF00 /f. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published immediately after the disclosure of the vulnerability.